<template>
  <div>
    <div>
      <button @click="insertText">insert text</button>
      <button @click="printHtml">print html</button>
      <button @click="disable">disable</button>
    </div>
    <div style="border: 1px solid #ccc; margin-top: 10px">
      <Toolbar :editor="editorRef" :defaultConfig="toolbarConfig" :mode="mode" style="border-bottom: 1px solid #ccc" />
      <Editor :defaultConfig="editorConfig" :mode="mode" v-model="valueHtml" style="height: 400px; overflow-y: hidden"
        @onCreated="handleCreated" @onChange="handleChange" @onDestroyed="handleDestroyed" @onFocus="handleFocus"
        @onBlur="handleBlur" @customAlert="customAlert" @customPaste="customPaste" />
    </div>
    <div style="margin-top: 10px">
      <textarea v-model="valueHtml" readonly style="width: 100%; height: 200px; outline: none"></textarea>
    </div>
  </div>
</template>

<script>
import '@wangeditor/editor/dist/css/style.css';
import { onBeforeUnmount, ref, shallowRef, onMounted } from 'vue';
import { Editor, Toolbar } from '@wangeditor/editor-for-vue';

export default {
  components: { Editor, Toolbar },
  setup() {
    // 编辑器实例，必须用 shallowRef，重要！
    const editorRef = shallowRef();

    // 内容 HTML
    const valueHtml = ref('<p>hello</p>');

    // 模拟 ajax 异步获取内容
    onMounted(() => {
      setTimeout(() => {
        valueHtml.value = '<p>模拟 Ajax 异步设置内容</p>';
      }, 1500);
    });

    const toolbarConfig = {};
    // const editorConfig = { placeholder: '请输入内容...' };
    // 初始化 MENU_CONF 属性
    const editorConfig = {                       // JS 语法
      MENU_CONF: {},
      placeholder: '请输入内容...'
      // 其他属性...
    }

    // 修改 uploadImage 菜单配置
    editorConfig.MENU_CONF['uploadImage'] = {
      server: '/api/upload-image',
      fieldName: 'custom-field-name'
      // 继续写其他配置...

      //【注意】不需要修改的不用写，wangEditor 会去 merge 当前其他配置
    }


    // 组件销毁时，也及时销毁编辑器，重要！
    onBeforeUnmount(() => {
      const editor = editorRef.value;
      if (editor == null) return;

      editor.destroy();
    });

    // 编辑器回调函数
    const handleCreated = (editor) => {
      console.log('created', editor);
      editorRef.value = editor; // 记录 editor 实例，重要！
    };
    const handleChange = (editor) => {
      console.log('change:', editor.getHtml());
    };
    const handleDestroyed = (editor) => {
      console.log('destroyed', editor);
    };
    const handleFocus = (editor) => {
      console.log('focus', editor);
    };
    const handleBlur = (editor) => {
      console.log('blur', editor);
    };
    const customAlert = (info, type) => {
      alert(`【自定义提示】${type} - ${info}`);
    };
    const customPaste = (editor, event, callback) => {
      console.log('ClipboardEvent 粘贴事件对象', event);

      // 自定义插入内容
      editor.insertText('xxx');

      // 返回值（注意，vue 事件的返回值，不能用 return）
      callback(false); // 返回 false ，阻止默认粘贴行为
      // callback(true) // 返回 true ，继续默认的粘贴行为
    };

    const insertText = () => {
      const editor = editorRef.value;
      if (editor == null) return;

      editor.insertText('hello world');
    };

    const printHtml = () => {
      const editor = editorRef.value;
      if (editor == null) return;
      console.log(editor.getHtml());
    };

    const disable = () => {
      const editor = editorRef.value;
      if (editor == null) return;
      editor.disable()
    };

    return {
      editorRef,
      mode: 'default',
      valueHtml,
      toolbarConfig,
      editorConfig,
      handleCreated,
      handleChange,
      handleDestroyed,
      handleFocus,
      handleBlur,
      customAlert,
      customPaste,
      insertText,
      printHtml,
      disable
    };
  },
};
</script>
